| Name | Meta | Published |
|---|---|---|
| Argon Gas | Standard | No |
| Gaseous Bromine Isotopes | Standard | No |
| Gaseous Chlorine Isotopes | Standard | No |
| Gaseous Fluorine Isotopes | Standard | No |
| Gaseous Iodine Isotopes | Standard | No |
| Gaseous Krypton Isotopes | Standard | No |
| Gaseous Neon Isotopes | Standard | No |
| Xenon | Standard | No |